Anti-Counterfeit Printed Matter, Method of Manufacturing the Same, and Recording Medium Storing Halftone Dot Data Creation Software

1. An anti-counterfeit printed matter having a continuous tone, comprising: units arranged at a predetermined pitch in a matrix on a base material in a first direction and a second direction perpendicular to the first direction, each of the units including: either a first object or a second object is arranged in a respective first or second region along the first direction in a manner so that the first region and the second region in each of the units oppose each other; a third object arranged between the first region and the second region along the first direction in an area of the unit where the first region and the second region are not arranged; and an imaginary horizontal line extending in the second direction, the imaginary horizontal line being arranged approximately 25% down from a top of the unit and passing between the first region and the second region in a position that passes through a center of the third object; and and wherein the first region and the second region of each of the units have equivalent areas, and a relationship in which one of the first and second regions has a respective object, and the other of the first and second regions does not have a respective object, the first object is adapted to form one of a positive image and a negative image of a first invisible image, while the second object is concurrently adapted to only form the other of the negative image and the positive image of the first invisible image, and the third object is adapted to form a visible image having a continuous tone.

2. The anti-counterfeit printed matter having a continuous tone according to claim 1 , wherein the third object forms the visible image having the continuous tone by one method selected from increasing/decreasing an object size, changing an object density, and changing an object sparseness.

3. The anti-counterfeit printed matter having a continuous tone according to claim 1 , wherein a maximum size of each of the units is not more than 1 mm.

4. The anti-counterfeit printed matter having a continuous tone according to claim 1 , each of the units further comprising: a fourth object having an area ratio 1/2 or substantially 1/2 that of the first object or the second object, and also having a color identical to that of the first object and the second object, the fourth object being arranged in an area of at least one of the units where each of the first object, the second object, and the third object are not arranged, and in the at least one of the units, the first object and the second object, which have the relationship in which one is in the off state when the other is the on state, are arranged to form the first invisible image, and the second object in the off state is arranged in close vicinity to the first object in the off state in the adjacently arranged units.

5. The anti-counterfeit printed matter having a continuous tone according to claim 4 , wherein in each of the units, the fourth object is formed in a shape surrounding the third object, and in an area of the unit where the first object, the second object, and the third object are not formed, or the fourth object is formed in a shape surrounded by the third object, and in an area of the unit where the first object, the second object, and the third object are not formed in the unit.

6. The anti-counterfeit printed matter having a continuous tone according to claim 4 , wherein in each of the units, the fourth object is formed in an area where the first object, the second object, and the third object are not foamed, and is arranged at a position adjacent to the first object and/or the second object.

7. The anti-counterfeit printed matter having a continuous tone according to claim 4 , wherein, in each of the units, the first object, the second object, the third object, and the fourth object are printed by ink containing a photo-luminescent material, and a predetermined pattern is printed using a colorless transparent material on at least some of the first object, the second object, the third object, and the fourth object.

8. The anti-counterfeit printed matter having a continuous tone according to claim 1 , wherein the visible image having the continuous tone includes a face image.

9. An anti-counterfeit printed matter having a continuous tone, comprising: units arranged at a predetermined pitch in a matrix on a base material, each of the units including: either a first object or a second object is arranged in a respective along a first direction in a manner so that the first region and the second region in each of the units oppose each other; a fifth object and a sixth object a second direction perpendicular to the first direction in a manner so as to oppose each other; a third object arranged between the first region and the second region along the first direction, and in an area of the unit where the first object, the second object, the fifth object, and the sixth object are not arranged; and an imaginary horizontal line extending in the second direction, the imaginary horizontal line being arranged approximately 25% down from a top of the unit and passing between the first region and the second region in a position that passes through a center of the third object; wherein the first region and the second region of each of the units have equivalent areas, and a relationship in which one of the first and second regions has a respective object, and the other of the first and second regions does not have a respective object, the first object being adapted to form one of a positive image and a negative image of a first invisible image, while the second object is concurrently adapted to only form the other of the negative image and the positive image of the first invisible image, the fifth object and the sixth object of each of the units have a relationship in which one is an off state when the other is an on state, and have equivalent areas, the fifth object being adapted to form one of a positive image and a negative image of a second invisible image, while the sixth object is concurrently adapted to only from the other of the negative image and the positive image of the second invisible image, and the third object being adapted to form a visible image having a continuous tone.

10. The anti-counterfeit printed matter having a continuous tone according to claim 9 , wherein the unit has a square shape and sides each having a length of not more than 1 mm.

11. The anti-counterfeit printed matter having a continuous tone according to claim 9 , each of the units further comprising: a fourth object having an area ratio 1/2 or substantially 1/2 that of the first object or the second object and also having a color identical to that of the first object and the second object, the fourth object being arranged in an area of the unit where the first object, the second object, and the third object are not arranged, and in the at least one of the units, the first object and the second object, which have the relationship in which one is off when the other is on, are arranged to form the first invisible image, and the second object in the off state is arranged in close vicinity to the first object in the off state in the adjacently arranged units, and the at least one of the units further comprising: a seventh object having an area ratio 1/2 or substantially 1/2 that of the fifth object or the sixth object, and also having a color identical to that of the fifth object and the sixth object, the seventh object being arranged in an area of the unit where each of the fifth object and the sixth object are not arranged, and in the at least one of the units, the fifth object and the sixth object, which have the relationship in which one is the off state when the other is in the on state, are arranged to form the second invisible image, the sixth object in the off state is arranged in close vicinity to the fifth object in the off state in the adjacently arranged units.

12. The anti-counterfeit printed matter having a continuous tone according to claim 11 , wherein the fourth object and the seventh object are formed in an area of the unit where the first object, the second object, the third object, the fifth object, and the sixth object are not formed in the unit.

13. The anti-counterfeit printed matter having a continuous tone according to claim 11 , wherein the fourth object and the seventh object are formed in a shape surrounding the third object or in a shape surrounded by the third object in a object where the first object, the second object, the third object, the fifth object, and the sixth object are not formed in the unit.

14. The anti-counterfeit printed matter having a continuous tone according to claim 11 , wherein the fourth object and the seventh object are formed in an area of the unit where the first object, the second object, the third object, the fifth object, and the sixth object are not formed in the unit, and are arranged at four corners in the unit having the square shape.

15. The anti-counterfeit printed matter having a continuous tone according to claim 11 , wherein in each of the units, the first object, the second object, the third object, the fourth object, the fifth object, the sixth object, and the seventh object are printed by ink containing a photo-luminescent material, and a predetermined pattern is printed using a colorless transparent material on at least some of the first object, the second object, the third object, the fourth object, the fifth object, the sixth object, and the seventh object.

16. The anti-counterfeit printed matter having a continuous tone according to claim 11 , wherein in each of the units, the first object, the second object, and the fourth object have a hue different from that of the fifth object, the sixth object, and the seventh object.